How many milligrams of extract do I originally have in a 25-mL vile if i pipette...

Question

Question

How many milligrams of extract do I originally have in a 25-mL vile if i pipette out 1-mL and find that there is 2.21 mg/mL in the aliqot sample?

Answer 1

Similar Homework Help Questions

124064 Question 9 of 30 How many milligrams of a drug are found in 25 mL...

124064 Question 9 of 30 How many milligrams of a drug are found in 25 mL of a 10% solution? mg Confident Not Sure
mg/mL concentrations 29 You have a 5 mL ampoule of dopexamine 1%. How many milligrams of...

mg/mL concentrations 29 You have a 5 mL ampoule of dopexamine 1%. How many milligrams of dopexamine are there in the ampoule?
How many milligrams of glucose would you use to make 5 ml of a 300 mM...

How many milligrams of glucose would you use to make 5 ml of a 300 mM glucose solution? Show your calculations...Please work this out on loose leaf 4. How many milligrams (mg of glucose would you use to make 5 ml of a 300 mM glucose solution? Show your calculations. Answer

1-4 Pipette 0.1 ml serum and 0.3 mL DI water to a small tube and mix....

1-4 Pipette 0.1 ml serum and 0.3 mL DI water to a small tube and mix. I assay this diluted serum and obtain a glucose value of 860 mg/ Liter. The glucose value I will report is ??? How do you know when an assay must be repeated on dilution? How do you find the value for the limit of linearity for a method? I read the absorbance for the patient's sample on instrument #2. I used a calibration curve...
You have 0.5 mL sample of protein extract (absorbance 0.5930) with a concentration of 181.2 ug/mL....

You have 0.5 mL sample of protein extract (absorbance 0.5930) with a concentration of 181.2 ug/mL. How many ug (micrograms) of sample do you have?
1. How many milligrams would a patient receive if the order is for 15 ml and...

1. How many milligrams would a patient receive if the order is for 15 ml and the medication strength is 300 mg/tsp? Give _____________________ 2. The order: Lanoxin 0.125 mg po every day Label: Lanoxin 0.25 mg/tablet Give _____________________ 3. Order: Codeine elixir gr i po every 4 hours as needed for pain (gr = grain) Label: Codeine elixir gr ½ per 5 ml Give _____________________ 4. Order: Ancef 40 mg/kg/day in divided...

How many milligrams per liter of sodium chloride in 0.9% NaCl? How many milliliters of sodium...

How many milligrams per liter of sodium chloride in 0.9% NaCl? How many milliliters of sodium chloride solution is needed to prepare a 200 mg solution of drug x in 1 ml sodium chloride solution. Assume you have 2 g of drug x and they have a volume of 1mL.
4. A student calibrates a 25-mL pipette by measuring the volume of the water it can...

4. A student calibrates a 25-mL pipette by measuring the volume of the water it can transfer. The reading data are shown as follows (unit in mL): 24.75, 24.83, 24.87, 24.91, and 25.32 (a) Is there an outlier at the 95% confidence level? (b) Calculate the coefficient of variation based on the results from part (a). (c) Suppose the standard deviation of the liquid volume is 0.04 mL, how many replicate measurements would the student need to get 95% confidence...
How many milliliters of 0.116 M HCl acid will be needed to neutralize 25.00 mL of...

How many milliliters of 0.116 M HCl acid will be needed to neutralize 25.00 mL of 0.0840 M Ba(OH)2 solution? The glucose level of a patient was determined to be 130.0 mg/dL. How many milligrams of glucose would a 10.0 mL blood sample from this patient have? A laboratory analysis of aspirin determines the following mass percent composition: C 60.00% H 4.48% O 35.53% Find the empirical formula. A glass contains 50.0 mL of water. How many molecules of water...

How many milligrams of histamine phosphate (C5H9N3,2H3PO4, M.Wt.307) are required for the preparation of 40 mL...

How many milligrams of histamine phosphate (C5H9N3,2H3PO4, M.Wt.307) are required for the preparation of 40 mL of a solution containing histamine (C5H9N3, M.Wt. 111) at a concentration such that when 5 mL of the solution is diluted to 80 mL with water, a solution is produced containing histamine at a concentration of 1 in 2,000? (0 decimal places) i got 128mg when i answered this would love to know where i went wrong